Home / 6,981.24-9,633.92-3,837.36

Finding the Fourth Proportional to 6,981.24, 9,633.92 and 3,837.36

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Solution

The fourth proportional to 6,981.24, 9,633.92 and 3,837.36 is: 5,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.24 : 9,633.92 = 3,837.36 : x
  2. Step 2: Convert to fraction form
    6,981.24/9,633.92 = 3,837.36/x
  3. Step 3: Cross multiply
    6,981.24x = 9,633.92 × 3,837.36
  4. Step 4: Simplify right side
    6,981.24x = 36,968,819.25
  5. Step 5: Solve for x
    x = 36,968,819.25/6,981.24
  6. Step 6: Final answer
    x = 5,295.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.